app-accessibility
app-admin
app-arch
app-emacs
app-misc
app-portage
app-text
app-vim
dev-games
dev-haskell
dev-lang
dev-libs
dev-util
dev-vcs
games-action
games-arcade
games-board
games-fps
games-puzzle
games-roguelike
media-fonts
media-sound
net-mail
net-misc
sci-biology
sci-mathematics
www-apps
www-misc
www-servers
x11-misc
x11-wm